noun
first ring-entering ceremony of a newly promoted grand champion at Meiji Shrine
A sumo-specific ceremony held at Meiji Shrine for a newly promoted yokozuna, marking their first dohyō-iri.
新横綱の推挙式が明治神宮で行われた。
The new yokozuna's first ring-entering ceremony was held at Meiji Shrine.
推挙 (recommendation, promotion) + 式 (ceremony). The term is specific to sumo and refers to the ceremony held after a wrestler is recommended for promotion to yokozuna.